icecreamislife icecreamislife

21-04-2017
Chemistry

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how does the velocity compare with each othher when the surface changed?

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kawaiikittyz2542 kawaiikittyz2542

21-04-2017

Velocity decreases across a rough surface due to friction; vice-versa, on a slippery surface (a smooth surface, or one lubricated by oil or soap), the friction decreases, which in turn increases the velocity.

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